stdlib/NetBSD/strfmon.c

   1 /*      $NetBSD: strfmon.c,v 1.7 2009/01/30 23:46:03 lukem Exp $        */
   2
   3 /*-
   4  * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  */
  29
  30 #include <sys/cdefs.h>
  31 #if defined(LIBC_SCCS) && !defined(lint)
  32 #if 0
  33 __FBSDID("$FreeBSD: src/lib/libc/stdlib/strfmon.c,v 1.14 2003/03/20 08:18:55 ache Exp $");
  34 #else
  35 __RCSID("$NetBSD: strfmon.c,v 1.7 2009/01/30 23:46:03 lukem Exp $");
  36 #endif
  37 #endif /* LIBC_SCCS and not lint */
  38
  39 #if defined(__NetBSD__)
  40 #include "namespace.h"
  41 #include <monetary.h>
  42 #endif
  43
  44 #include "xlocale_private.h"
  45
  46 #include <sys/types.h>
  47 #include <ctype.h>
  48 #include <errno.h>
  49 #include <limits.h>
  50 #include <locale.h>
  51 #include <stdarg.h>
  52 #include <stdio.h>
  53 #include <stdlib.h>
  54 #include <string.h>
  55 #include <stddef.h>
  56
  57 /* internal flags */
  58 #define NEED_GROUPING           0x01    /* print digits grouped (default) */
  59 #define SIGN_POSN_USED          0x02    /* '+' or '(' usage flag */
  60 #define LOCALE_POSN             0x04    /* use locale defined +/- (default) */
  61 #define PARENTH_POSN            0x08    /* enclose negative amount in () */
  62 #define SUPRESS_CURR_SYMBOL     0x10    /* supress the currency from output */
  63 #define LEFT_JUSTIFY            0x20    /* left justify */
  64 #define USE_INTL_CURRENCY       0x40    /* use international currency symbol */
  65 #define IS_NEGATIVE             0x80    /* is argument value negative ? */
  66
  67 /* internal macros */
  68 #define PRINT(CH) do {                                          \
  69         if (dst >= s + maxsize)                                 \
  70                 goto e2big_error;                               \
  71         *dst++ = CH;                                            \
  72 } while (/* CONSTCOND */ 0)
  73
  74 #define PRINTS(STR) do {                                        \
  75         const char *tmps = STR;                                 \
  76         while (*tmps != '\0')                                   \
  77                 PRINT(*tmps++);                                 \
  78 } while (/* CONSTCOND */ 0)
  79
  80 #define GET_NUMBER(VAR,LOC)     do {                            \
  81         VAR = 0;                                                \
  82         while (isdigit_l((unsigned char)*fmt, (LOC))) {                 \
  83                 VAR *= 10;                                      \
  84                 VAR += *fmt - '0';                              \
  85                 if (VAR > 0x00ffffff)                           \
  86                         goto e2big_error;                       \
  87                 fmt++;                                          \
  88         }                                                       \
  89 } while (/* CONSTCOND */ 0)
  90
  91 #define GRPCPY(howmany) do {                                    \
  92         int i = howmany;                                        \
  93         while (i-- > 0) {                                       \
  94                 avalue_size--;                                  \
  95                 *--bufend = *(avalue+avalue_size+padded);       \
  96         }                                                       \
  97 } while (/* CONSTCOND */ 0)
  98
  99 #define GRPSEP do {                                             \
 100         *--bufend = thousands_sep;                              \
 101         groups++;                                               \
 102 } while (/* CONSTCOND */ 0)
 103
 104 static void __setup_vars(int, char *, char *, char *, const char **, struct lconv *);
 105 static int __calc_left_pad(int, char *, struct lconv *);
 106 static char *__format_grouped_double(double, int *, int, int, int, struct lconv *, locale_t);
 107
 108 static ssize_t
 109 _strfmon(char * __restrict s, size_t maxsize, locale_t loc, const char * __restrict format, va_list ap)
 110 {
 111         char            *dst;           /* output destination pointer */
 112         const char      *fmt;           /* current format poistion pointer */
 113         struct lconv    *lc;            /* pointer to lconv structure */
 114         char            *asciivalue;    /* formatted double pointer */
 115
 116         int             flags;          /* formatting options */
 117         int             pad_char;       /* padding character */
 118         int             pad_size;       /* pad size */
 119         int             width;          /* field width */
 120         int             left_prec;      /* left precision */
 121         int             right_prec;     /* right precision */
 122         double          value;          /* just value */
 123         char            space_char = ' '; /* space after currency */
 124
 125         char            cs_precedes,    /* values gathered from struct lconv */
 126                         sep_by_space,
 127                         sign_posn,
 128                         *currency_symbol;
 129         const char      *signstr;
 130
 131         char            *tmpptr;        /* temporary vars */
 132         int             sverrno;
 133
 134         lc = localeconv_l(loc);
 135         dst = s;
 136         fmt = format;
 137         asciivalue = NULL;
 138         currency_symbol = NULL;
 139         pad_size = 0;
 140
 141         while (*fmt) {
 142                 /* pass nonformating characters AS IS */
 143                 if (*fmt != '%')
 144                         goto literal;
 145
 146                 /* '%' found ! */
 147
 148                 /* "%%" mean just '%' */
 149                 if (*(fmt+1) == '%') {
 150                         fmt++;
 151         literal:
 152                         PRINT(*fmt++);
 153                         continue;
 154                 }
 155
 156                 /* set up initial values */
 157                 flags = (NEED_GROUPING|LOCALE_POSN);
 158                 pad_char = ' ';         /* padding character is "space" */
 159                 left_prec = -1;         /* no left precision specified */
 160                 right_prec = -1;        /* no right precision specified */
 161                 width = -1;             /* no width specified */
 162                 value = 0;              /* we have no value to print now */
 163
 164                 /* Flags */
 165                 while (/* CONSTCOND */ 1) {
 166                         switch (*++fmt) {
 167                                 case '=':       /* fill character */
 168                                         pad_char = *++fmt;
 169                                         if (pad_char == '\0')
 170                                                 goto format_error;
 171                                         continue;
 172                                 case '^':       /* not group currency  */
 173                                         flags &= ~(NEED_GROUPING);
 174                                         continue;
 175                                 case '+':       /* use locale defined signs */
 176                                         if (flags & SIGN_POSN_USED)
 177                                                 goto format_error;
 178                                         flags |= (SIGN_POSN_USED|LOCALE_POSN);
 179                                         continue;
 180                                 case '(':       /* enclose negatives with () */
 181                                         if (flags & SIGN_POSN_USED)
 182                                                 goto format_error;
 183                                         flags |= (SIGN_POSN_USED|PARENTH_POSN);
 184                                         continue;
 185                                 case '!':       /* suppress currency symbol */
 186                                         flags |= SUPRESS_CURR_SYMBOL;
 187                                         continue;
 188                                 case '-':       /* alignment (left)  */
 189                                         flags |= LEFT_JUSTIFY;
 190                                         continue;
 191                                 default:
 192                                         break;
 193                         }
 194                         break;
 195                 }
 196
 197                 /* field Width */
 198                 if (isdigit_l((unsigned char)*fmt, loc)) {
 199                         ptrdiff_t d = dst - s;
 200                         GET_NUMBER(width, loc);
 201                         /* Do we have enough space to put number with
 202                          * required width ?
 203                          */
 204
 205                         if ((size_t)(d + width) >= maxsize)
 206                                 goto e2big_error;
 207                 }
 208
 209                 /* Left precision */
 210                 if (*fmt == '#') {
 211                         if (!isdigit_l((unsigned char)*++fmt, loc))
 212                                 goto format_error;
 213                         GET_NUMBER(left_prec, loc);
 214                 }
 215
 216                 /* Right precision */
 217                 if (*fmt == '.') {
 218                         if (!isdigit_l((unsigned char)*++fmt, loc))
 219                                 goto format_error;
 220                         GET_NUMBER(right_prec, loc);
 221                 }
 222
 223                 /* Conversion Characters */
 224                 switch (*fmt++) {
 225                         case 'i':       /* use internaltion currency format */
 226                                 flags |= USE_INTL_CURRENCY;
 227                                 break;
 228                         case 'n':       /* use national currency format */
 229                                 flags &= ~(USE_INTL_CURRENCY);
 230                                 break;
 231                         default:        /* required character is missing or
 232                                            premature EOS */
 233                                 goto format_error;
 234                 }
 235
 236                 if (currency_symbol)
 237                         free(currency_symbol);
 238                 if (flags & USE_INTL_CURRENCY) {
 239                         currency_symbol = strdup(lc->int_curr_symbol);
 240                         if (currency_symbol != NULL) {
 241                                 space_char = *(currency_symbol+3);
 242                                 currency_symbol[3] = '\0';
 243                         }
 244                 } else
 245                         currency_symbol = strdup(lc->currency_symbol);
 246
 247                 if (currency_symbol == NULL)
 248                         goto end_error;                 /* ENOMEM. */
 249
 250                 /* value itself */
 251                 value = va_arg(ap, double);
 252
 253                 /* detect sign */
 254                 if (value < 0) {
 255                         flags |= IS_NEGATIVE;
 256                         value = -value;
 257                 }
 258
 259                 /* fill left_prec with amount of padding chars */
 260                 if (left_prec >= 0) {
 261                         pad_size = __calc_left_pad((flags ^ IS_NEGATIVE),
 262                                                         currency_symbol, lc) -
 263                                    __calc_left_pad(flags, currency_symbol, lc);
 264                         if (pad_size < 0)
 265                                 pad_size = 0;
 266                 }
 267
 268                 asciivalue = __format_grouped_double(value, &flags,
 269                                 left_prec, right_prec, pad_char, lc, loc);
 270                 if (asciivalue == NULL)
 271                         goto end_error;         /* errno already set     */
 272                                                 /* to ENOMEM by malloc() */
 273
 274                 /* set some variables for later use */
 275                 __setup_vars(flags, &cs_precedes, &sep_by_space,
 276                                 &sign_posn, &signstr, lc);
 277
 278                 /*
 279                  * Description of some LC_MONETARY's values:
 280                  *
 281                  * p_cs_precedes & n_cs_precedes
 282                  *
 283                  * = 1 - $currency_symbol precedes the value
 284                  *       for a monetary quantity with a non-negative value
 285                  * = 0 - symbol succeeds the value
 286                  *
 287                  * p_sep_by_space & n_sep_by_space
 288                  *
 289                  * = 0 - no space separates $currency_symbol
 290                  *       from the value for a monetary quantity with a
 291                  *       non-negative value
 292                  * = 1 - space separates the symbol from the value
 293                  * = 2 - space separates the symbol and the sign string,
 294                  *       if adjacent.
 295                  *
 296                  * p_sign_posn & n_sign_posn
 297                  *
 298                  * = 0 - parentheses enclose the quantity and the
 299                  *       $currency_symbol
 300                  * = 1 - the sign string precedes the quantity and the
 301                  *       $currency_symbol
 302                  * = 2 - the sign string succeeds the quantity and the
 303                  *       $currency_symbol
 304                  * = 3 - the sign string precedes the $currency_symbol
 305                  * = 4 - the sign string succeeds the $currency_symbol
 306                  *
 307                  */
 308
 309                 tmpptr = dst;
 310
 311                 while (pad_size-- > 0)
 312                         PRINT(' ');
 313
 314                 if (sign_posn == 0 && (flags & IS_NEGATIVE))
 315                         PRINT('(');
 316
 317                 if (cs_precedes == 1) {
 318                         if (sign_posn == 1 || sign_posn == 3) {
 319                                 PRINTS(signstr);
 320                                 if (sep_by_space == 2)          /* XXX: ? */
 321                                         PRINT(' ');
 322                         }
 323
 324                         if (!(flags & SUPRESS_CURR_SYMBOL)) {
 325                                 PRINTS(currency_symbol);
 326
 327                                 if (sign_posn == 4) {
 328                                         if (sep_by_space == 2)
 329                                                 PRINT(space_char);
 330                                         PRINTS(signstr);
 331                                         if (sep_by_space == 1)
 332                                                 PRINT(' ');
 333                                 } else if (sep_by_space == 1)
 334                                         PRINT(space_char);
 335                         }
 336                 } else if (sign_posn == 1) {
 337                         PRINTS(signstr);
 338                         if (sep_by_space == 2)
 339                                 PRINT(' ');
 340                 }
 341
 342                 PRINTS(asciivalue);
 343
 344                 if (cs_precedes == 0) {
 345                         if (sign_posn == 3) {
 346                                 if (sep_by_space == 1)
 347                                         PRINT(' ');
 348                                 PRINTS(signstr);
 349                         }
 350
 351                         if (!(flags & SUPRESS_CURR_SYMBOL)) {
 352                                 if ((sign_posn == 3 && sep_by_space == 2)
 353                                     || (sep_by_space == 1
 354                                     && (sign_posn == 0
 355                                     || sign_posn == 1
 356                                     || sign_posn == 2
 357                                     || sign_posn == 4)))
 358                                         PRINT(space_char);
 359                                 PRINTS(currency_symbol); /* XXX: len */
 360                                 if (sign_posn == 4) {
 361                                         if (sep_by_space == 2)
 362                                                 PRINT(' ');
 363                                         PRINTS(signstr);
 364                                 }
 365                         }
 366                 }
 367
 368                 if (sign_posn == 2) {
 369                         if (sep_by_space == 2)
 370                                 PRINT(' ');
 371                         PRINTS(signstr);
 372                 }
 373
 374                 if (sign_posn == 0) {
 375                         if (flags & IS_NEGATIVE)
 376                                 PRINT(')');
 377                         else if (left_prec >= 0)
 378                                 PRINT(' ');
 379                 }
 380
 381                 if (dst - tmpptr < width) {
 382                         if (flags & LEFT_JUSTIFY) {
 383                                 while (dst - tmpptr < width)
 384                                         PRINT(' ');
 385                         } else {
 386                                 pad_size = dst-tmpptr;
 387                                 memmove(tmpptr + width-pad_size, tmpptr,
 388                                     (size_t) pad_size);
 389                                 memset(tmpptr, ' ', (size_t) width-pad_size);
 390                                 dst += width-pad_size;
 391                         }
 392                 }
 393         }
 394
 395         PRINT('\0');
 396         free(asciivalue);
 397         free(currency_symbol);
 398         return (dst - s - 1);   /* return size of put data except trailing '\0' */
 399
 400 e2big_error:
 401         errno = E2BIG;
 402         goto end_error;
 403
 404 format_error:
 405         errno = EINVAL;
 406
 407 end_error:
 408         sverrno = errno;
 409         if (asciivalue != NULL)
 410                 free(asciivalue);
 411         if (currency_symbol != NULL)
 412                 free(currency_symbol);
 413         errno = sverrno;
 414         return (-1);
 415 }
 416
 417 static void
 418 __setup_vars(int flags, char *cs_precedes, char *sep_by_space,
 419                 char *sign_posn, const char **signstr, struct lconv *lc) {
 420
 421         if ((flags & IS_NEGATIVE) && (flags & USE_INTL_CURRENCY)) {
 422                 *cs_precedes = lc->int_n_cs_precedes;
 423                 *sep_by_space = lc->int_n_sep_by_space;
 424                 *sign_posn = (flags & PARENTH_POSN) ? 0 : lc->int_n_sign_posn;
 425                 *signstr = (lc->negative_sign == '\0') ? "-"
 426                     : lc->negative_sign;
 427         } else if (flags & USE_INTL_CURRENCY) {
 428                 *cs_precedes = lc->int_p_cs_precedes;
 429                 *sep_by_space = lc->int_p_sep_by_space;
 430                 *sign_posn = (flags & PARENTH_POSN) ? 0 : lc->int_p_sign_posn;
 431                 *signstr = lc->positive_sign;
 432         } else if (flags & IS_NEGATIVE) {
 433                 *cs_precedes = lc->n_cs_precedes;
 434                 *sep_by_space = lc->n_sep_by_space;
 435                 *sign_posn = (flags & PARENTH_POSN) ? 0 : lc->n_sign_posn;
 436                 *signstr = (lc->negative_sign == '\0') ? "-"
 437                     : lc->negative_sign;
 438         } else {
 439                 *cs_precedes = lc->p_cs_precedes;
 440                 *sep_by_space = lc->p_sep_by_space;
 441                 *sign_posn = (flags & PARENTH_POSN) ? 0 : lc->p_sign_posn;
 442                 *signstr = lc->positive_sign;
 443         }
 444
 445         /* Set defult values for unspecified information. */
 446         if (*cs_precedes != 0)
 447                 *cs_precedes = 1;
 448         if (*sep_by_space == CHAR_MAX)
 449                 *sep_by_space = 0;
 450         if (*sign_posn == CHAR_MAX)
 451                 *sign_posn = 0;
 452 }
 453
 454 static int
 455 __calc_left_pad(int flags, char *cur_symb, struct lconv *lc) {
 456
 457         char cs_precedes, sep_by_space, sign_posn;
 458         const char *signstr;
 459         int left_chars = 0;
 460
 461         __setup_vars(flags, &cs_precedes, &sep_by_space, &sign_posn, &signstr, lc);
 462
 463         if (cs_precedes != 0) {
 464                 left_chars += strlen(cur_symb);
 465                 if (sep_by_space != 0)
 466                         left_chars++;
 467         }
 468
 469         switch (sign_posn) {
 470                 case 0:
 471                         if (flags & IS_NEGATIVE)
 472                                 left_chars++;
 473                         break;
 474                 case 1:
 475                         left_chars += strlen(signstr);
 476                         break;
 477                 case 3:
 478                 case 4:
 479                         if (cs_precedes != 0)
 480                                 left_chars += strlen(signstr);
 481         }
 482         return (left_chars);
 483 }
 484
 485 static int
 486 get_groups(int size, const char *grouping) {
 487
 488         int     chars = 0;
 489
 490         if (*grouping == CHAR_MAX || *grouping <= 0)    /* no grouping ? */
 491                 return (0);
 492
 493         while (size > (int)*grouping) {
 494                 chars++;
 495                 size -= (int)*grouping++;
 496                 /* no more grouping ? */
 497                 if (*grouping == CHAR_MAX)
 498                         break;
 499                 /* rest grouping with same value ? */
 500                 if (*grouping == 0) {
 501                         chars += (size - 1) / *(grouping - 1);
 502                         break;
 503                 }
 504         }
 505         return (chars);
 506 }
 507
 508 /* convert double to ASCII */
 509 __private_extern__ const char *__fix_nogrouping(const char *);
 510
 511 static char *
 512 __format_grouped_double(double value, int *flags,
 513                         int left_prec, int right_prec, int pad_char, struct lconv *lc, locale_t loc) {
 514
 515         char            *rslt;
 516         char            *avalue;
 517         int             avalue_size;
 518         char            fmt[32];
 519
 520         size_t          bufsize;
 521         char            *bufend;
 522
 523         int             padded;
 524
 525         const char      *grouping;
 526         char            decimal_point;
 527         char            thousands_sep;
 528
 529         int groups = 0;
 530
 531         grouping = __fix_nogrouping(lc->mon_grouping);
 532         decimal_point = *lc->mon_decimal_point;
 533         if (decimal_point == '\0')
 534                 decimal_point = *lc->decimal_point;
 535         thousands_sep = *lc->mon_thousands_sep;
 536         if (thousands_sep == '\0')
 537                 thousands_sep = *lc->thousands_sep;
 538
 539         /* fill left_prec with default value */
 540         if (left_prec == -1)
 541                 left_prec = 0;
 542
 543         /* fill right_prec with default value */
 544         if (right_prec == -1) {
 545                 if (*flags & USE_INTL_CURRENCY)
 546                         right_prec = lc->int_frac_digits;
 547                 else
 548                         right_prec = lc->frac_digits;
 549
 550                 if (right_prec == CHAR_MAX)     /* POSIX locale ? */
 551                         right_prec = 2;
 552         }
 553
 554         if (*flags & NEED_GROUPING)
 555                 left_prec += get_groups(left_prec, grouping);
 556
 557         /* convert to string */
 558         snprintf_l(fmt, sizeof(fmt), loc, "%%%d.%df", left_prec + right_prec + 1,
 559             right_prec);
 560         avalue_size = asprintf_l(&avalue, loc, fmt, value);
 561         if (avalue_size < 0)
 562                 return (NULL);
 563
 564         /* make sure that we've enough space for result string */
 565         bufsize = strlen(avalue)*2+1;
 566         rslt = malloc(bufsize);
 567         if (rslt == NULL) {
 568                 free(avalue);
 569                 return (NULL);
 570         }
 571         memset(rslt, 0, bufsize);
 572         bufend = rslt + bufsize - 1;    /* reserve space for trailing '\0' */
 573
 574         /* skip spaces at beggining */
 575         padded = 0;
 576         while (avalue[padded] == ' ') {
 577                 padded++;
 578                 avalue_size--;
 579         }
 580
 581         if (right_prec > 0) {
 582                 bufend -= right_prec;
 583                 memcpy(bufend, avalue + avalue_size+padded-right_prec,
 584                     (size_t) right_prec);
 585                 *--bufend = decimal_point;
 586                 avalue_size -= (right_prec + 1);
 587         }
 588
 589         if ((*flags & NEED_GROUPING) &&
 590             thousands_sep != '\0' &&    /* XXX: need investigation */
 591             *grouping != CHAR_MAX &&
 592             *grouping > 0) {
 593                 while (avalue_size > (int)*grouping) {
 594                         GRPCPY(*grouping);
 595                         GRPSEP;
 596                         grouping++;
 597
 598                         /* no more grouping ? */
 599                         if (*grouping == CHAR_MAX)
 600                                 break;
 601
 602                         /* rest grouping with same value ? */
 603                         if (*grouping == 0) {
 604                                 grouping--;
 605                                 while (avalue_size > *grouping) {
 606                                         GRPCPY(*grouping);
 607                                         GRPSEP;
 608                                 }
 609                         }
 610                 }
 611                 if (avalue_size != 0)
 612                         GRPCPY(avalue_size);
 613                 padded -= groups;
 614
 615         } else {
 616                 bufend -= avalue_size;
 617                 memcpy(bufend, avalue+padded, (size_t) avalue_size);
 618                 if (right_prec == 0)
 619                         padded--;       /* decrease assumed $decimal_point */
 620         }
 621
 622         /* do padding with pad_char */
 623         if (padded > 0) {
 624                 bufend -= padded;
 625                 memset(bufend, pad_char, (size_t) padded);
 626         }
 627
 628         bufsize = bufsize - (bufend - rslt) + 1;
 629         memmove(rslt, bufend, bufsize);
 630         free(avalue);
 631         return (rslt);
 632 }
 633
 634 ssize_t
 635 strfmon(char * __restrict s, size_t maxsize, const char * __restrict format,
 636     ...)
 637 {
 638         ssize_t         ret;
 639         va_list         ap;
 640
 641         va_start(ap, format);
 642         ret = _strfmon(s, maxsize, __current_locale(), format, ap);
 643         va_end(ap);
 644         return ret;
 645 }
 646
 647 ssize_t
 648 strfmon_l(char * __restrict s, size_t maxsize, locale_t loc,
 649     const char * __restrict format, ...)
 650 {
 651         ssize_t         ret;
 652         va_list         ap;
 653
 654         NORMALIZE_LOCALE(loc);
 655         va_start(ap, format);
 656         ret = _strfmon(s, maxsize, loc, format, ap);
 657         va_end(ap);
 658         return ret;
 659 }